001/* 002 * Copyright 2012-2018 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.autoconfigure.amqp; 018 019import org.springframework.amqp.rabbit.core.RabbitTemplate; 020import org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer; 021import org.springframework.retry.support.RetryTemplate; 022 023/** 024 * Callback interface that can be used to customize a {@link RetryTemplate} used as part 025 * of the Rabbit infrastructure. 026 * 027 * @author Stephane Nicoll 028 * @since 2.1.0 029 */ 030@FunctionalInterface 031public interface RabbitRetryTemplateCustomizer { 032 033 /** 034 * Callback to customize a {@link RetryTemplate} instance used in the context of the 035 * specified {@link Target}. 036 * @param target the {@link Target} of the retry template 037 * @param retryTemplate the template to customize 038 */ 039 void customize(Target target, RetryTemplate retryTemplate); 040 041 /** 042 * Define the available target for a {@link RetryTemplate}. 043 */ 044 enum Target { 045 046 /** 047 * {@link RabbitTemplate} target. 048 */ 049 SENDER, 050 051 /** 052 * {@link AbstractMessageListenerContainer} target. 053 */ 054 LISTENER 055 056 } 057 058}